Internal combustion engine



The patent or application file contains drawings executed in color. Color copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front and left side perspective view of the internal combustion engine showing our new design;

FIG. 2 is a rear and right side perspective view thereof;

FIG. 3 is a front and right side perspective view thereof;

FIG. 4 is a rear and left side perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a plan view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a left side view thereof; and,

FIG. 10 is a right side view thereof. 

The ornamental design for the internal combustion engine, as shown and described. 